US20220033225A1 - Air and surface cleaning system for enclosed spaces, methods of use, and methods of manufacture - Google Patents
Air and surface cleaning system for enclosed spaces, methods of use, and methods of manufacture Download PDFInfo
- Publication number
- US20220033225A1 US20220033225A1 US17/391,558 US202117391558A US2022033225A1 US 20220033225 A1 US20220033225 A1 US 20220033225A1 US 202117391558 A US202117391558 A US 202117391558A US 2022033225 A1 US2022033225 A1 US 2022033225A1
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- US
- United States
- Prior art keywords
- enclosed space
- air
- purification device
- light fixture
- air purification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000004887 air purification Methods 0.000 claims description 14
- 230000003749 cleanliness Effects 0.000 claims description 2
- 201000010099 disease Diseases 0.000 abstract description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 238000003892 spreading Methods 0.000 abstract description 3
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 230000002070 germicidal effect Effects 0.000 description 3
- 230000009931 harmful effect Effects 0.000 description 3
- 230000035943 smell Effects 0.000 description 3
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229940097275 indigo Drugs 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- -1 smells Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
- B66B11/024—Ventilation systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/467—Adaptations of switches or switchgear characterised by their mounting position
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/17—Combination with washing or cleaning means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/25—Rooms in buildings, passenger compartments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/14—Filtering means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/15—Supporting means, e.g. stands, hooks, holes for hanging
Definitions
- the present invention relates generally to an air and surface cleaning system and method for use thereof, and more specifically to automated systems and methods for providing clean air and cleaning surface areas of an enclosed space.
- Enclosed spaces such as elevators, public transportation vehicles, and small rooms, require individuals to come into close proximity with others. This can lead to the spreading of diseases due to contaminated air or through contact with fomites such as door handles, elevator buttons, and other common surfaces.
- Existing systems such as those common in elevators, pull air up through the bottom edge of the space and out through the top of the space. This can cause dust, smells, contaminants, viruses, and bacteria to be drawn up to individual's faces. What is needed is an improved way to clean the air and surfaces of such enclosed spaces actively and constantly so that such contaminants and disease-carrying elements can be prevented.
- the present invention generally provides multiple features for active and automated cleaning of interior surfaces and air within an enclosed space.
- the system is generally composed of an air cleaning sub-system, a surface cleaning sub-system, and an interface sub-system that is hands-free to prevent contacting fomites and spreading disease.
- the air cleaning sub-system employs a fan, such as an adjustable 600 CFM fan, mounted above the enclosed space.
- a fan such as an adjustable 600 CFM fan
- this can easily be installed to avoid structural crosshead beams. Air is then pushed down through a flexible boot which includes a HEPA filter, pushing filtered and ionized air down past individual's heads and exhausted through the bottom of the enclosed space, such as the toe kick vents in an elevator environment. In this way, the air reaching the individuals within the space is clean, fresh, and has not made contact with other individuals within the space prior to being inhaled.
- the fan can be installed where the previous exhaust fan would have been, essentially reversing the way in which a typical elevator air handling system functions.
- An indicator light can be included to let individuals within the space know that the air cleaning system is active. Indicators can also be included to advise when to replace filters.
- the surface cleaning sub-system employs 405 nm germicidal lighting within the enclosed space to provide continuous cleaning of the walls and other surfaces in the space.
- Lights such as the Indigo-Clean 405 nm Indigo Lights manufactured by Kenall Manufacturing Co. of Kenosha, Wis., can be used to replace existing lights within an enclosed space.
- the indigo blue color emitted from the system iRFndicates that the system is operational within the space, and a placard could be placed within the space to inform individuals that the system is actively cleaning surfaces.
- 405 nm light is needed to avoid the harmful effects of ultraviolet light, including UVC light, while still providing germicidal cleaning functionality.
- the interface sub-system could be employed to prevent users from being required to touch surfaces to interact with the space.
- This interface sub-system would replace typical elements such as door handles, elevator buttons, or other interactive interfaces within an enclosed space.
- One example is the Toe-To-Go foot-activated elevator call button system created by Mad Elevator Inc. of Toronto, Canada. Similar foot-controlled or even voice-controlled interfaces can be used to replace typical touch-controlled interfaces to further prevent the transmission of diseases from surfaces in other enclosed spaces.
- FIG. 1 is a three-dimensional isometric view of a prior art example of an enclosed space solution.
- FIG. 2 is a three-dimensional isometric view of the present invention enclosed space solution.
- FIG. 3 is a front sectional view thereof taken about the line of FIG. 2 .
- FIG. 4 is a flowchart diagramming the steps taken in practicing an embodiment of the present invention.
- FIG. 1 shows the roof of a typical elevator car 54 , functioning as an example enclosed space, with an exhaust fan 60 for drawing air up and out of the enclosed space within the elevator car 54 .
- an exhaust fan 60 for drawing air up and out of the enclosed space within the elevator car 54 .
- the exhaust fan 60 pulls air up through vents 22 along the kick plate 24 within the elevator car, which can cause dust, smells, contaminants, viruses, and bacteria to be drawn up to individual's faces.
- Such systems are also commonly employed in other enclosed spaces, such as train cars, utility rooms, and other rooms both stationary and mobile.
- the exhaust fan often ceases to function due to structural elements 20 and unclean conditions.
- FIG. 1 Also shown in FIG. 1 is a prior art interface 76 within the entrance 58 of the elevator 54 through the doors 56 which require a user to physical contact with their hands.
- Existing light sources inside such enclosed spaces also fail to provide any additional functionality outside of providing illumination.
- FIG. 2 shows an enclosed space of an elevator car 4 employing the enclosed space system 2 of the present invention. Unlike the prior art embodiment, air flow is instead directed from the top down through the vents 22 in the kick plate 24 . Smells will not be drawn upwards toward the persons inside of the space, providing a cleaner and more present space.
- the typical exhaust fan of the prior art embodiment is replaced with an air supply unit 10 with an air intake 16 and air filter 18 which pushes air down through the unit 10 through the hole 14 used previously for the exhaust fan, and therefore provides clean, filtered air from the head down in the enclosed space, with the air pushed out the bottom of the room at the end.
- the air supply unit 10 can be used with a flexible hose duct 12 to connect to a remote hole 14 location in the room 4 . Air is filtered through the air filter 18 and delivered through the hole 14 either directly or via such a flexible hose duct 12 .
- a 600 CFM fan such as in a portable air purification system provided by SecureAire, LLC of Dunedin, Fla., can be installed directly into the already existing space where the exhaust fan exists after the exhaust fan is removed. In this way, air is filtered and ionized through the air purification system and is pushed down through the enclosed space where it would have previously been pulled up and out. The air is then pushed out through the same toe kick vents.
- Additional clean-room elements can be included, such as germicidal light fixtures 30 shown in FIG. 3 which bounce light 32 off of surfaces, killing any harmful bacteria, viruses, or other elements living on the interior surfaces of the elevator car 4 interior including doors 6 .
- Existing interior ceiling lights may use egg crate type ceilings with strip fluorescent fixtures which can easily be updated to use 405 nm light fixtures, such as the replacement the Indigo-Clean 405 nm Indigo LED Lights manufactured by Kenall Manufacturing Co. of Kenosha, Wis. Most, if not all, light fixtures similarly can be retrofit with such lights for constant active and automated cleaning of interior surfaces of the enclosed space.
- new light fixtures would need to be installed to properly provide the cleaning light functionality. This can be done using the same types of light fixtures and employing the same lighting elements to remove the harmful elements from the surfaces on the interior of the room.
- FIG. 3 also shows how a hands-free interface system 26 can be employed to prevent individuals from skin-to-surface contacting surfaces within an enclosed space.
- the elevator buttons 76 are replaced with interactive elements 28 accessible with the user's feet, thereby preventing the spread of diseases caused by interacting with interfaces with a user's hands.
- Other non-contact interfaces could similarly be employed, including voice-controlled interfaces.
- FIG. 4 shows the steps taken in practicing an embodiment of the present invention where the process begins at 100 and an enclosed room is obtained at 102 .
- This room could be an existing enclosed space, such as a clean room, a laboratory, or an elevator car. These rooms could be constructed from scratch as well.
- the air supply system is installed at 108 to provide forced air from the top of the room down. This unit can be installed on the existing holes for the exhaust fan, or new openings can be provided. If the hole requires remote access at 110 , flexible boots can be used at 112 to extend the air supply system as needed.
- the room is inspected for adequate air flow and air cleanliness at 114 . If additional systems need to be installed at 116 , those systems are installed at 118 . This could include the light fixtures 30 or hands-free interface 26 disclosed above or other systems.
- the process ends at 120 with all components installed.
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- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
- This application claims priority in U.S. Provisional Patent Application No. 63/059,358 Filed Jul. 31, 2020, which is incorporated herein by reference.
- The present invention relates generally to an air and surface cleaning system and method for use thereof, and more specifically to automated systems and methods for providing clean air and cleaning surface areas of an enclosed space.
- Enclosed spaces, such as elevators, public transportation vehicles, and small rooms, require individuals to come into close proximity with others. This can lead to the spreading of diseases due to contaminated air or through contact with fomites such as door handles, elevator buttons, and other common surfaces. Existing systems, such as those common in elevators, pull air up through the bottom edge of the space and out through the top of the space. This can cause dust, smells, contaminants, viruses, and bacteria to be drawn up to individual's faces. What is needed is an improved way to clean the air and surfaces of such enclosed spaces actively and constantly so that such contaminants and disease-carrying elements can be prevented.
- Heretofore there has not been available a system or method for cleaning systems for enclosed spaces with the advantages and features of the present invention.
- The present invention generally provides multiple features for active and automated cleaning of interior surfaces and air within an enclosed space. The system is generally composed of an air cleaning sub-system, a surface cleaning sub-system, and an interface sub-system that is hands-free to prevent contacting fomites and spreading disease.
- The air cleaning sub-system employs a fan, such as an adjustable 600 CFM fan, mounted above the enclosed space. In an elevator environment, this can easily be installed to avoid structural crosshead beams. Air is then pushed down through a flexible boot which includes a HEPA filter, pushing filtered and ionized air down past individual's heads and exhausted through the bottom of the enclosed space, such as the toe kick vents in an elevator environment. In this way, the air reaching the individuals within the space is clean, fresh, and has not made contact with other individuals within the space prior to being inhaled. In an elevator environment, the fan can be installed where the previous exhaust fan would have been, essentially reversing the way in which a typical elevator air handling system functions. An indicator light can be included to let individuals within the space know that the air cleaning system is active. Indicators can also be included to advise when to replace filters.
- The surface cleaning sub-system employs 405 nm germicidal lighting within the enclosed space to provide continuous cleaning of the walls and other surfaces in the space. Lights such as the Indigo-Clean 405 nm Indigo Lights manufactured by Kenall Manufacturing Co. of Kenosha, Wis., can be used to replace existing lights within an enclosed space. The indigo blue color emitted from the system iRFndicates that the system is operational within the space, and a placard could be placed within the space to inform individuals that the system is actively cleaning surfaces. 405 nm light is needed to avoid the harmful effects of ultraviolet light, including UVC light, while still providing germicidal cleaning functionality.
- The interface sub-system could be employed to prevent users from being required to touch surfaces to interact with the space. This interface sub-system would replace typical elements such as door handles, elevator buttons, or other interactive interfaces within an enclosed space. One example is the Toe-To-Go foot-activated elevator call button system created by Mad Elevator Inc. of Toronto, Canada. Similar foot-controlled or even voice-controlled interfaces can be used to replace typical touch-controlled interfaces to further prevent the transmission of diseases from surfaces in other enclosed spaces.
- The drawings constitute a part of this specification and include exemplary embodiments of the present invention illustrating various objects and features thereof.
-
FIG. 1 is a three-dimensional isometric view of a prior art example of an enclosed space solution. -
FIG. 2 is a three-dimensional isometric view of the present invention enclosed space solution. -
FIG. 3 is a front sectional view thereof taken about the line ofFIG. 2 . -
FIG. 4 is a flowchart diagramming the steps taken in practicing an embodiment of the present invention. - As required, detailed aspects of the present invention are disclosed herein, however, it is to be understood that the disclosed aspects are merely exemplary of the invention, which may be embodied in various forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art how to variously employ the present invention in virtually any appropriately detailed structure.
- Certain terminology will be used in the following description for convenience in reference only and will not be limiting. For example, up, down, front, back, right and left refer to the invention as orientated in the view being referred to. The words, “inwardly” and “outwardly” refer to directions toward and away from, respectively, the geometric center of the aspect being described and designated parts thereof. Forwardly and rearwardly are generally in reference to the direction of travel, if appropriate. Said terminology will include the words specifically mentioned, derivatives thereof and words of similar meaning.
-
FIG. 1 shows the roof of atypical elevator car 54, functioning as an example enclosed space, with anexhaust fan 60 for drawing air up and out of the enclosed space within theelevator car 54. As is typical, the shaft and space around the elevator car where the air is being drawn into the car is dirty. Theexhaust fan 60 pulls air up throughvents 22 along thekick plate 24 within the elevator car, which can cause dust, smells, contaminants, viruses, and bacteria to be drawn up to individual's faces. Such systems are also commonly employed in other enclosed spaces, such as train cars, utility rooms, and other rooms both stationary and mobile. The exhaust fan often ceases to function due tostructural elements 20 and unclean conditions. - Also shown in
FIG. 1 is aprior art interface 76 within theentrance 58 of theelevator 54 through thedoors 56 which require a user to physical contact with their hands. Existing light sources inside such enclosed spaces also fail to provide any additional functionality outside of providing illumination. -
FIG. 2 shows an enclosed space of anelevator car 4 employing the enclosedspace system 2 of the present invention. Unlike the prior art embodiment, air flow is instead directed from the top down through thevents 22 in thekick plate 24. Smells will not be drawn upwards toward the persons inside of the space, providing a cleaner and more present space. - The typical exhaust fan of the prior art embodiment is replaced with an
air supply unit 10 with anair intake 16 andair filter 18 which pushes air down through theunit 10 through thehole 14 used previously for the exhaust fan, and therefore provides clean, filtered air from the head down in the enclosed space, with the air pushed out the bottom of the room at the end. - Unlike the exhaust fan, which might be blocked by
structural elements 20, theair supply unit 10 can be used with aflexible hose duct 12 to connect to aremote hole 14 location in theroom 4. Air is filtered through theair filter 18 and delivered through thehole 14 either directly or via such aflexible hose duct 12. - A 600 CFM fan, such as in a portable air purification system provided by SecureAire, LLC of Dunedin, Fla., can be installed directly into the already existing space where the exhaust fan exists after the exhaust fan is removed. In this way, air is filtered and ionized through the air purification system and is pushed down through the enclosed space where it would have previously been pulled up and out. The air is then pushed out through the same toe kick vents.
- Additional clean-room elements can be included, such as
germicidal light fixtures 30 shown inFIG. 3 which bouncelight 32 off of surfaces, killing any harmful bacteria, viruses, or other elements living on the interior surfaces of theelevator car 4interior including doors 6. Existing interior ceiling lights may use egg crate type ceilings with strip fluorescent fixtures which can easily be updated to use 405 nm light fixtures, such as the replacement the Indigo-Clean 405 nm Indigo LED Lights manufactured by Kenall Manufacturing Co. of Kenosha, Wis. Most, if not all, light fixtures similarly can be retrofit with such lights for constant active and automated cleaning of interior surfaces of the enclosed space. - In some situations and environments, it may be necessary to augment the lighting solutions within the enclosed space rather than retrofitting existing lights. Therefore, new light fixtures would need to be installed to properly provide the cleaning light functionality. This can be done using the same types of light fixtures and employing the same lighting elements to remove the harmful elements from the surfaces on the interior of the room.
-
FIG. 3 also shows how a hands-free interface system 26 can be employed to prevent individuals from skin-to-surface contacting surfaces within an enclosed space. Theelevator buttons 76 are replaced withinteractive elements 28 accessible with the user's feet, thereby preventing the spread of diseases caused by interacting with interfaces with a user's hands. Other non-contact interfaces could similarly be employed, including voice-controlled interfaces. -
FIG. 4 shows the steps taken in practicing an embodiment of the present invention where the process begins at 100 and an enclosed room is obtained at 102. This room could be an existing enclosed space, such as a clean room, a laboratory, or an elevator car. These rooms could be constructed from scratch as well. - If there is an existing fan at 104, such as the exhaust fan shown in the prior art of
FIG. 1 , that fan is removed at 106. The air supply system is installed at 108 to provide forced air from the top of the room down. This unit can be installed on the existing holes for the exhaust fan, or new openings can be provided. If the hole requires remote access at 110, flexible boots can be used at 112 to extend the air supply system as needed. - The room is inspected for adequate air flow and air cleanliness at 114. If additional systems need to be installed at 116, those systems are installed at 118. This could include the
light fixtures 30 or hands-free interface 26 disclosed above or other systems. The process ends at 120 with all components installed. - It is to be understood that while certain embodiments and/or aspects of the invention have been shown and described, the invention is not limited thereto and encompasses various other embodiments and aspects.
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/391,558 US20220033225A1 (en) | 2020-07-31 | 2021-08-02 | Air and surface cleaning system for enclosed spaces, methods of use, and methods of manufacture |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202063059358P | 2020-07-31 | 2020-07-31 | |
US17/391,558 US20220033225A1 (en) | 2020-07-31 | 2021-08-02 | Air and surface cleaning system for enclosed spaces, methods of use, and methods of manufacture |
Publications (1)
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US20220033225A1 true US20220033225A1 (en) | 2022-02-03 |
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ID=80004095
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Application Number | Title | Priority Date | Filing Date |
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US17/391,558 Abandoned US20220033225A1 (en) | 2020-07-31 | 2021-08-02 | Air and surface cleaning system for enclosed spaces, methods of use, and methods of manufacture |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11759743B2 (en) * | 2020-08-14 | 2023-09-19 | Americair Corporation | Elevators and outdoor intake HEPA filtration systems |
Citations (5)
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US20070222554A1 (en) * | 2006-03-10 | 2007-09-27 | Hart Andrew J | Access control method for medical facilities and retirement facilities |
US20140260965A1 (en) * | 2013-03-15 | 2014-09-18 | Advanced Control Technologies, Inc. | System for increasing operating efficiency of an hvac system including air ionization |
US20190367324A1 (en) * | 2018-05-30 | 2019-12-05 | Songsan Special Elevators Co., Ltd. | Emergency elevator |
US10875744B1 (en) * | 2020-07-13 | 2020-12-29 | Robert E. Doyle | Passenger elevator air purification system |
US20210317981A1 (en) * | 2020-04-13 | 2021-10-14 | Calyx Cultivation Tech. Corp. | Light Fixture Having a Fan and Ultraviolet Sterilization Functionality |
-
2021
- 2021-08-02 US US17/391,558 patent/US20220033225A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070222554A1 (en) * | 2006-03-10 | 2007-09-27 | Hart Andrew J | Access control method for medical facilities and retirement facilities |
US20140260965A1 (en) * | 2013-03-15 | 2014-09-18 | Advanced Control Technologies, Inc. | System for increasing operating efficiency of an hvac system including air ionization |
US20190367324A1 (en) * | 2018-05-30 | 2019-12-05 | Songsan Special Elevators Co., Ltd. | Emergency elevator |
US20210317981A1 (en) * | 2020-04-13 | 2021-10-14 | Calyx Cultivation Tech. Corp. | Light Fixture Having a Fan and Ultraviolet Sterilization Functionality |
US10875744B1 (en) * | 2020-07-13 | 2020-12-29 | Robert E. Doyle | Passenger elevator air purification system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11759743B2 (en) * | 2020-08-14 | 2023-09-19 | Americair Corporation | Elevators and outdoor intake HEPA filtration systems |
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